Selectie correct answer. How many solutions for x does the following equation have?
2(x + 4) - 1 = 2x + 7
OA. 7
OB.
1
Ос.
infinite
OD. 0
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Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.